testicle - one of two male sexual glands contained in the scrotum which produce the male hormone (testosterone) and reproductive cells (sperm)

testicular biopsy - a small excision of testicular tissue to determine the ability of the cells to produce normal sperm

testicular sperm aspiration (TESA) - a procedure in which sperm are obtained directly from the testicles by either aspiration or surgical incision of the testicular tissue

testosterone - the most potent male sex hormone; produced in the testes

therapeutic insemination (TI) - a procedure in which a sperm from a male partner or from a donor is placed into a woman's vagina or cervix; also called artificial insemination, but distinct from intrauterine insemination

tubal embryo transfer (TET) - a surgical procedure in which an egg which has been fertilized and has divided outside the woman's body is transferred to the fallopian tubes

tubal ligation - female sterilization as a result of tying the fallopian tubes

ultrasound - a technique used to view the follicles in the ovaries or the fetus in the uterus; three types: 1) baseline ultrasound shows the ovaries in their normal state, 2) follicular ultrasound shows egg follicle maturation, 3) pregnancy ultrasound shows if a pregnancy is in the uterus or in a fallopian tube

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